Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9478947 | Plasma jet spark plug | Hiroyuki Kameda, Daisuke Kasahara | 2016-10-25 |
| 9306375 | Spark plug | Keiji Ozeki, Tomoaki Kato | 2016-04-05 |
| 9276383 | Spark plug, and production method therefor | Keiji Ozeki, Tomoaki Kato, Tsutomu Kobayashi | 2016-03-01 |